2,681
edits
Changes
Jump to navigation
Jump to search
Line 22:
Line 22: − *The ''maximum.. total depth may be limited by the desire to install the practice below the maximum frost penetration depth in the proposed location.+
no edit summary
#The ''maximum'' total depth will be limited by construction practices i.e. usually ≤ 2 m to avoid the need for benching and shoring open cut excavations.
#The ''maximum'' total depth will be limited by construction practices i.e. usually ≤ 2 m to avoid the need for benching and shoring open cut excavations.
#The ''maximum'' total depth may be limited by the [[Infiltration| conditions underground]] (e.g. water table or underlying geology/infrastructure).
#The ''maximum'' total depth may be limited by the [[Infiltration| conditions underground]] (e.g. water table or underlying geology/infrastructure).
#The ''maximum.. total depth may be limited by the desire to install the practice below the maximum frost penetration depth in the proposed location.
#The ''maximum'' total depth may be limited by the desire to support vegetation cover over it (e.g. at least 30 cm of planting soil backfill over the BMP to support grasses)
#The ''maximum'' total depth may be limited by the desire to support vegetation cover over it (e.g. at least 30 cm of planting soil backfill over the BMP to support grasses)
#[[Infiltration trenches]], [[Infiltration chambers| chambers]] and [[bioretention]] have a maximum recommended I/P ratio of 20.
#[[Infiltration trenches]], [[Infiltration chambers| chambers]] and [[bioretention]] have a maximum recommended I/P ratio of 20.